Find the indicated percentage for the normally distributed variable. Round your answer to two decimal places, if necessary.
-The diameters of bolts produced by a certain machine are normally distributed with a mean of 0.30 inches and a standard deviation of 0.01 inches. What percentage of bolts will have a diameter greater than 0.32 inches?

Question

Quizplus · Accepted Answer

The z-score for a diameter of 0.32 inches is (0.32 - 0.30) / 0.01 = 2. Using a standard normal distribution table, we find that the percentage of bolts with a diameter greater than 0.32 inches is approximately 2.28%.

Find the Indicated Percentage for the Normally Distributed Variable